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A fully algebraic general approach is developed to treat the pairs emission and absorption in the presence of some uniform external background field. In particular, it is shown that the pairs production and annihilation operators, together…

High Energy Physics - Theory · Physics 2011-06-24 Roberto Soldati

The results concerning the $e^+e^-$ production in peripheral highly relativistic heavy-ion collisions presented in a recent paper by Baltz {\em{et al.}} are rederived in a very straightforward manner. It is shown that the solution of the…

High Energy Physics - Phenomenology · Physics 2011-09-13 A. Aste , G. Baur , K. Hencken , D. Trautmann , G. Scharf

We study the vacuum pair production by a time-dependent strong electric field based on the exact WKB analysis. We identify the generic structure of a Stokes graph for systems with the vacuum pair production and show that the number of…

High Energy Physics - Theory · Physics 2022-01-05 Hidetoshi Taya , Toshiaki Fujimori , Tatsuhiro Misumi , Muneto Nitta , Norisuke Sakai

We present an indepth investigation of certain aspects of the two level on resonant multiphoton approximation to pair production from vacuum in the presence of strong electromagnetic fields. Numerical computations strongly suggest that a…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Tsohantjis , S. Moustaizis , I. Ploumistakis

The electron-positron pair creation in a supercritical static asymmetric potential well, which is composed of a subcritical and a supercritical potential separated by a fixed distance, is investigated using computational quantum field…

Quantum Physics · Physics 2025-10-14 Z. L. Li , A. R. Sun , J. H. Xia , J. X. Wu , Y. J. Li

We investigate the pair production near a (near) extremal magnetized Reissner-Nordstrom black hole. The pair production is shown to exist in the extremal state, which can be interpreted as the Schwinger effect due to the strong field under…

General Relativity and Quantum Cosmology · Physics 2023-06-28 Haryanto M. Siahaan

We discuss electron-positron pair-production by super-intense, short laser pulses off the physical vacuum state locally deformed by (stripped) nuclei with large nuclear charges. Consequences of non-perturbative vacuum polarisation resulting…

Nuclear Theory · Physics 2009-10-30 Klaus Dietz , Michael Proebsting

Photoproduction of electron-positron pairs by the strong-field Breit-Wheeler process in an intense laser field is studied. The laser field is assumed to consist of two consecutive short pulses, with a variable time delay in between. By…

Quantum Physics · Physics 2017-02-01 Martin J. A. Jansen , Carsten Müller

We examine the spatial distribution of electrons generated by a fixed energy point source in uniform, parallel electric and magnetic fields. This problem is simple enough to permit analytic quantum and semiclassical solution, and it harbors…

Quantum Physics · Physics 2007-05-23 Christian Bracher , Tobias Kramer , John B. Delos

The dynamically assisted Schwinger effect, the generation of fermion-antifermion pairs in vacuum under a strong, slow-varying field and a weak, high-frequency field, has become a promising avenue to probe the vacuum structure and the…

High Energy Physics - Phenomenology · Physics 2025-03-18 Chengpeng Yu

In recent years, a large number of papers have appeared that dealt with $\EPEM$ pair production in heavy ion collisions at high energies. To a large extent these studies were motivated by the existence of relativistic heavy ion accelerators…

Nuclear Theory · Physics 2008-11-26 Gerhard Baur , Kai Hencken , Dirk Trautmann

Electron-positron pair production in low-energy collisions of heavy nuclei is considered beyond the monopole approximation. The calculation method is based on the numerical solving of the time-dependent Dirac equation with the full…

Atomic Physics · Physics 2019-08-20 I. A. Maltsev , V. M. Shabaev , R. V. Popov , Y. S. Kozhedub , G. Plunien , X. Ma , Th. Stöhlker

We evaluate the cross section for electron-positron pair production by a single high energy photon in the space-time of a static, straight cosmic string. Energy and momentum conservation precludes this process in empty Minkowski space. It…

Astrophysics · Physics 2009-10-22 Vladimir Skarzhinsky , Diego Harari , Ulf Jasper

The momentum spectrum and number density of created bosons for two types of arbitrarily polarized electric fields are calculated and compared with those of created fermions, employing the equal-time Feshbach-Villars-Heisenberg-Wigner…

Quantum Physics · Physics 2019-10-30 Z. L. Li , B. S. Xie , Y. J. Li

We introduce a canonical method for pair production by electromagnetic fields. The canonical method in the space-dependent gauge provides pair-production rate even for inhomogeneous fields. Further, the instanton action including all…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Sang Pyo Kim , Don N. Page

We generalize the Schwinger mechanism and calculate the probability of the decay of intense electromagnetic fields to pseudoscalar particles. We also point out that our estimate for axion emission in a previous paper was incorrect.

High Energy Physics - Phenomenology · Physics 2009-10-31 J. A. Grifols , Eduard Masso , Subhendra Mohanty

The emission of $\nu\bar\nu$ pairs off electrons in a polarized ultra-intense electromagnetic (e.g.\ laser) wave field is analyzed. We elaborate on the significance of non-linear electrodynamics effects (i.e., multi-photon processes) and…

High Energy Physics - Phenomenology · Physics 2011-03-22 A. I. Titov , B. Kampfer , H. Takabe , A. Hosaka

Magnetic monopoles may be produced by the dual Schwinger effect in strong magnetic fields. Today, the strongest known magnetic fields in the universe are produced fleetingly in heavy-ion collisions. We use the complex worldline instanton…

High Energy Physics - Phenomenology · Physics 2021-08-11 Oliver Gould , David L. -J. Ho , Arttu Rajantie

The rate of pair production of open strings in general uniform electromagnetic fields is calculated in various space-time dimensions. The corrections with respect to the case of pure electric backgrounds are displayed. In particular, a…

High Energy Physics - Theory · Physics 2009-10-31 Ciprian Acatrinei

The possibility of electron-positron pair creation by an electric field is studied by using only those methods in field theory the predictions of which are confirmed experimentally. These methods include the perturbative method of quantum…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Nikolic
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